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A072350 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 17 |
| 5 | 225 |
| 6 | 3613 |
| 7 | -42997 |
| 8 | 8725357 |
| 9 | 2116966081 |
| 10 | -549193907111 |
| 11 | -114757574954509 |
| 12 | 117893333517545097 |
| 13 | 14433599120070484321 |
| 14 | -65568697910890921624715 |
| 15 | 2968238619232726100394235 |
| 16 | 86999609037195113208781248165 |
[1,1,3,17,225,3613,-42997,8725357,2116966081, -549193907111,-114757574954509,117893333517545097, 14433599120070484321,-65568697910890921624715, 2968238619232726100394235, 86999609037195113208781248165] |